H100-494焊接316L膜片UE壓力開關（H100-494 welding 316L diaphragm US UE pressure switch ）

H100-494 Welded 316L Diaphragm American UE Pressure Switch Pressure switch is widely used in high and low pressure protection control of household, commercial, automotive refrigeration systems, steam conditions and power stations; accumulators, receivers, flash tanks, separation devices, scrubbers, refinery units. It is also applicable to the high and low pressure protection control of various equipment tools. However, in the selection of pressure switches, the following points must be paid attention to:1. The necessity of explosion-proof: explosion-proof forms are divided into flameproof type and intrinsically safe type. 2. Do you need to bring instructions: according to customer instructions. 3. Number of contacts: one contact (one output) or two contacts (two outputs). 4. Determination of setting value and pressure range: the recommended setting range is between 30% and 65% of the pressure range, and the settable range is between 15% and 90% of the pressure range. 5. The form of connection difference: adjustable or fixed. 6. Whether there is pulsation: If the pressure pulsates or vibrates, a throttle valve is required to suppress the damage to the instrument caused by the pulsating pressure. 7. Occasions with a diaphragm: When measuring corrosiveness, high viscosity or high temperature, it is necessary to use a diaphragm. Analysis and solutions for common failures of pressure switches Poor sensitivity of pressure switchesReason analysis(1) Poor assembly/transmission mechanism (ram orPlunger, etc.) friction force is too large(2) The contact stroke of the micro switch is too long(3) Improper adjustment of the adjustment screw, ejector rod, etc.(4) Improper installation, such as uneven and inclinedInstallation solutions:(1) Reassemble so that Sensitive action(2) Reasonably adjust the contact stroke of the micro switch(3) Reasonably adjust the position of the nail and ejector rod )to vertical or horizontal installationH100-494 pressure switch

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